Method for synthesizing Ti3B2N by adopting Pb fluxing agent
A technology of flux and mixing materials, which is applied in chemical instruments and methods, boron compounds, nitrogen compounds, etc., can solve the problems of high synthesis temperature, high production cost at high temperature, and immature synthesis technology, so as to reduce the synthesis temperature and synthesis method. Simple and easy to operate, the effect of reducing production costs
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Example Embodiment
[0048] Example 1
[0049] This embodiment provides a method for synthesizing Ti using Pb flux 3 B 2 N method, synthesis of Ti 3 B 2 The N method includes the following steps:
[0050] 1) Weigh TiH separately 2 Powder, amorphous B powder and hexagonal BN powder, spare;
[0051] And TiH 2 The molar ratio of the three raw materials of powder, amorphous B powder and hexagonal BN powder TiH 2 :B:BN=3:1:1;
[0052] 2) The TiH weighed in step 1) 2 Powder, amorphous B powder and hexagonal BN powder are put into the container and mixed and stirred evenly to obtain the mixture;
[0053] TiH 2 Powder, Amorphous B powder and Hexagonal BN powder into the container, mix and stir evenly. The process is: in TiH 2 The powder, amorphous B powder, and hexagonal BN powder are mixed and stirred, then anhydrous ethanol is added and mixed and stirred for 18 hours, and then air-dried naturally. Among them, the amount of anhydrous ethanol added must meet the requirement that the liquid level of the anhydrous e...
Example Embodiment
[0060] Example 2
[0061] The difference between this embodiment and embodiment 1 is: TiH 2 The molar ratio of powder, amorphous B powder, and hexagonal BN powder, TiH 2 :B:BN=2.5:1.3:1.3. Others are the same as in Example 1.
[0062] The XRD pattern of the product prepared in this example is shown in Figure 4 . Although it still contains Ti 3 B 2 N, TiB 2 And TiN three phases, but the comparison between Example 2 and Example 1 shows that the sample synthesized in Example 2 contains Ti 3 B 2 Compared with Example 1, the N content is reduced.
Example Embodiment
[0063] Example 3
[0064] This embodiment is different from Embodiment 1 in that the heating temperature of the quartz tube containing the sample is 600°C. Others are the same as in Example 1.
[0065] The XRD pattern of the product prepared in this example is shown in Figure 5 . Although this embodiment still contains Ti 3 B 2 N, TiB 2 And TiN, but in the sample synthesized in Example 3, Ti 3 B 2 Compared with Example 1, the N content is reduced.
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